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The Climate Prediction Center/NCEP/NWS and the International Research Institute for Climate and Society have issued an advisory that La Niña conditions are likely to continue through the summer and into the fall.
La Niña generally results in below-average rainfall in the coastal regions of North America, including Southern California.
These conditions are measured by variations in what is known as the El Niño/Southern Oscillation (ENSO), which is affected by sea surface temperatures as well as subsurface temperatures and their complex interactions, as well as wind anomalies.
Current readings indicate a 59% chance of La Niña conditions during June-August 2022 and a 50-55% chance through the fall, though a large amount of uncertainty remains at this time.
More information is available in this Diagnostic Discussion issued by the National Oceanic and Atmospheric Administration (NOAA).
